铸铝加热器以管状电热元件为发热体。
Casting-aluminum heating device USES tubular electric heating component as heating material.
本实用新型涉及一种烤炉，由陶瓷炉体、隔热体、加热器和设置在炉体上缘的金属网罩组成。
The utility model relates to an oven which is composed of ceramic oven body, a heat insulating body, a heater, and a metal screen housing which is arranged on the upper margin of the oven body.
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